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Standard black ATX power supply unit with fan grille and cable bundle

myVolts

myVolts 480W ATX Power Supply for HP PRO D11-300N1A

SKU CH-0G36-WKMAN

Replacement 480W ATX unit for HP PRO D11-300N1A with 20+4 pin, 12V P4, two Molex, two SATA and floppy connectors

  • Product typeAT
  • 480 W output supports extra components
  • 20+4 pin main connector fits HP PRO D11-300N1A
  • 12 V P4 plus two 4-pin Molex and two SATA connectors
  • over-power, short-circuit and over-voltage protection included
  • high-efficiency design with low-noise fan operation

Purpose-built replacement

This 480W ATX power supply is designed to fit the HP PRO D11-300N1A and part number 715185-001. It delivers 480 watts of continuous power, an upgrade over lower-rated original units. The unit accepts 100-120V or 200-240V input at 50 or 60 Hz. Protection circuits guard against over power, short circuit and over voltage conditions.

For HP desktop owners only

It suits owners of the listed HP desktop who need a direct swap with higher headroom for extra drives or cards. Builders working on any other chassis or motherboard should look elsewhere because the connector layout and form factor are specific to this model. The supply includes a main 20+4 pin connector, one 12V P4 connector, two Molex, two SATA and one floppy connector.

Ready to install

Cables are fixed to the unit so no modular routing is required. The on/off switch is integrated on the rear panel. A low-noise fan with controlled ripple keeps acoustic output down while maintaining stable rails. No software or additional accessories are bundled with this power supply.

How it compares

Measured against everything we stock in ATX Desktop Power Supplies, at today’s prices. Recalculated every night.

Price $90.99
Cheaper than about 71% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Product typeAT

Questions about this item

What connectors does the power supply provide for drives and peripherals?

It includes one 20+4 pin main connector, one 12V P4 connector, two 4-pin Molex connectors, two SATA connectors and one floppy connector.

Will this unit fit the existing HP PRO D11-300N1A chassis and mounting points?

The supplier guarantees compatibility with the HP PRO D11-300N1A and part number 715185-001, so it should align with the original mounting holes and form factor.

How can I verify the power supply is delivering the rated voltages after installation?

Check that the system posts reliably, then use BIOS hardware monitoring or a multimeter on the 3.3V, 5V and 12V rails to confirm they stay within specification under load.

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